20512421204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1439}}^1$

素因数の和:1566

約数の個数: 144

約数和(自身を含む): 44561664000

約数和(自身を除く): 24049242796

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 59, 68, 76, 118, 187, 209, 236, 289, 323, 374, 418, 578, 646, 649, 748, 836, 1003, 1121, 1156, 1292, 1298, 1439, 2006, 2242, 2596, 2878, 3179, 3553, 4012, 4484, 5491, 5756, 6358, 7106, 10982, 11033, 12331, 12716, 14212, 15829, 17051, 19057, 21964, 22066, 24463, 24662, 27341, 31658, 34102, 38114, 44132, 48926, 49324, 54682, 60401, 63316, 68204, 76228, 84901, 97852, 109364, 120802, 169802, 187561, 209627, 241604, 269093, 300751, 323969, 339604, 375122, 415871, 419254, 464797, 538186, 601502, 647938, 750244, 831742, 838508, 929594, 933911, 1076372, 1203004, 1295876, 1443317, 1613119, 1663484, 1859188, 1867822, 2886634, 3226238, 3563659, 3735644, 4574581, 5112767, 5773268, 6452476, 7127318, 7901549, 9149162, 10225534, 14254636, 15803098, 15876487, 17744309, 18298324, 20451068, 24536389, 27423023, 31606196, 31752974, 35488618, 49072778, 54846046, 63505948, 70977236, 86917039, 98145556, 109692092, 173834078, 269900279, 301653253, 347668156, 466191391, 539800558, 603306506, 932382782, 1079601116, 1206613012, 1864765564, 5128105301, 10256210602, 20512421204]

約数ペア:

[(1, 20512421204), (2, 10256210602), (4, 5128105301), (11, 1864765564), (17, 1206613012), (19, 1079601116), (22, 932382782), (34, 603306506), (38, 539800558), (44, 466191391), (59, 347668156), (68, 301653253), (76, 269900279), (118, 173834078), (187, 109692092), (209, 98145556), (236, 86917039), (289, 70977236), (323, 63505948), (374, 54846046), (418, 49072778), (578, 35488618), (646, 31752974), (649, 31606196), (748, 27423023), (836, 24536389), (1003, 20451068), (1121, 18298324), (1156, 17744309), (1292, 15876487), (1298, 15803098), (1439, 14254636), (2006, 10225534), (2242, 9149162), (2596, 7901549), (2878, 7127318), (3179, 6452476), (3553, 5773268), (4012, 5112767), (4484, 4574581), (5491, 3735644), (5756, 3563659), (6358, 3226238), (7106, 2886634), (10982, 1867822), (11033, 1859188), (12331, 1663484), (12716, 1613119), (14212, 1443317), (15829, 1295876), (17051, 1203004), (19057, 1076372), (21964, 933911), (22066, 929594), (24463, 838508), (24662, 831742), (27341, 750244), (31658, 647938), (34102, 601502), (38114, 538186), (44132, 464797), (48926, 419254), (49324, 415871), (54682, 375122), (60401, 339604), (63316, 323969), (68204, 300751), (76228, 269093), (84901, 241604), (97852, 209627), (109364, 187561), (120802, 169802)]